<template>
  <el-container>
    <el-header>
      <div class="logo">
        <img src="../assets/logo-black.svg" />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <el-container>
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollpase">|||</div>
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#449EFB"
          :unique-opened="true"
          :collapse="isCollapse"
          :collapse-transition="false"
        >
          <!-- 一级菜单 -->
          <el-submenu
            :index="item.id + ''"
            v-for="item in menuList"
            :key="item.id"
          >
            <!-- 一级菜单的标题部分 -->
            <template slot="title">
              <i :class="iconsObj[item.id]"></i>
              <span>{{ item.authName }}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item
              :index="subItem.id + ''"
              v-for="subItem in item.children"
              :key="subItem.id"
            >
              <template slot="title">
                <i class="el-icon-menu"></i>
                <span>{{ subItem.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>Main</el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      menuList: [],
      iconsObj: {
        '125': 'iconfont icon-user',
        '103': 'iconfont icon-tijikongjian',
        '101': 'iconfont icon-shangpin',
        '102': 'iconfont icon-danju',
        '145': 'iconfont icon-baobiao'
      },
      isCollapse: false
    }
  },
  created() {
    this.getMenuList()
  },
  methods: {
    logout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList() {
      const { data: res } = await this.$http.get('menus')
      console.log(res)
      if (res.meta.status !== 200) return this.$message.error('获取菜单失败')
      this.menuList = res.data
    },
    toggleCollpase() {
      this.isCollapse = !this.isCollapse
    }
  }
}
</script>

<style lang="less" scoped>
.el-container {
  height: 100%;
  .el-header {
    background-color: #373c40;
    display: flex;
    justify-content: space-between;
    .logo {
      display: flex;
      align-items: center;
      img {
        width: 80px;
      }
      span {
        font-size: 20px;
        color: #fff;
        margin-left: 20px;
      }
    }
  }
  .el-aside {
    background-color: #333744;
    .el-menu {
      border-right: 0;
    }
  }
  .el-main {
    background-color: #eaedf1;
  }
  .iconfont {
    margin-right: 15px;
  }
  .toggle-button {
    color: #fff;
    background-color: #4a5064;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
  }
}
</style>
